
	For the Three Months Ended March 31,
(Dollars in thousands)	2026		2025

Depreciation
Leasehold improvements	$	59	$	27
Asset retirement costs	11		23
Paging and computer equipment	675		723
Furniture, fixtures and vehicles	77		64
Total depreciation	822		837




Accretion	170		22
Total depreciation and accretion expense	$	992	$	859

Accounts receivable was recorded net of an allowance of $1.1 million at March 31, 2026 and $1.0 million at December 31, 2025. Our two most significant allowance accounts are: allowance for credit losses and allowance for service credits. Provisions for these allowances are recorded on a monthly basis and are included as a component of general and administrative expenses. We had an allowance for service credits of $0.3 million at March 31, 2026 and a nominal amount at December 31, 2025.

The following table summarizes the activity in the allowance for credit losses for the periods presented:


	For the Three Months Ended March 31,
(Dollars in thousands)	2026		2025

Balance at beginning of period	$	906	$	644
Provisions for credit losses	293		105
Write-offs	(421)		(151)
Balance at end of period	$	778	$	598

Accounts receivable, net included $6.0 million and $6.3 million of unbilled receivables at March 31, 2026 and December 31, 2025, respectively. Unbilled receivables are defined as the Company's right to consideration in exchange for goods or services that we have transferred to the customer but have not yet billed for, and will generally be billed upon passage of time.


(Dollars in thousands)	Useful Life (In Years)	March 31, 2026		December 31, 2025

Leasehold improvements	lease term	$	2,745	$	2,728
Asset retirement costs	1-15	4,212		4,212
Paging and computer equipment	1-5	81,145		81,573
Furniture, fixtures and vehicles	3-5	2,628		2,610
Total property and equipment		90,730		91,123
Accumulated depreciation		(85,227)		(85,400)
Total property and equipment, net		$	5,503	$	5,723